553125720 has 192 divisors, whose sum is σ = 2032300800. Its totient is φ = 119750400.

The previous prime is 553125709. The next prime is 553125721. The reversal of 553125720 is 27521355.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553125721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109245 + ... + 114195.

It is an arithmetic number, because the mean of its divisors is an integer number (10584900).

Almost surely, 2^553125720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553125720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016150400).

553125720 is an abundant number, since it is smaller than the sum of its proper divisors (1479175080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553125720 is a wasteful number, since it uses less digits than its factorization.

553125720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998 (or 4987 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 553125720 is about 23518.6249598058. The cubic root of 553125720 is about 820.8704419365.

The spelling of 553125720 in words is "five hundred fifty-three million, one hundred twenty-five thousand, seven hundred twenty".